What is the best procedure for phosphorus extraction from biochar by organic acids?

Q: After treating activated carbon with sulfuric acid or any acid, why is it needed to wash it after?…

A: Activated carbon is made from carbonaceous material that has been heat-treated at very high…

Q: After preparing the column, why should the silica get never to dry?

A: Column chromatography is a technique used to spearate organic  compounds from a mixture. It works…

Q: Write down the flow chart of Hand molding process for the manufacturing of suppositories?  Please…

A: Answer -  Suppositories - Suppositories are generally made from solid ingredients and drugs which…

Q: you've been tasked to compound 30 grams of a 0.5% Zinc oxide ointment. you have a stock preparation…

A: The formula used to calculate the amount need to be dilute is as follows: Amount need to be dilute =…

Q: As an analyst, you were asked to determine the Ca content of the dolomite samples from Manila Bay…

A: Gravimetry analysis is a method of quantitative chemical analysis In this method  the species which…

Q: What is the purpose of the bead inside the thoma diluting pipette?

A: There are two types of bead (glass bead): 1. Red in colour in RBC pipette 2. White bead in WBC…

Q: In ammonia stripping, hitrogen is removed from wastewater by volatilization of NH3. Would ammonia…

A:

Q: Calculate the amount of lime required for softening 50,000 litres of water containing: H÷=1.5 ppm,…

A: Composition of hard water sample : H+ = 1.5 ppm HCO3- = 396.5 ppm Mg2+ = 42 ppm Ca2+ = 90 ppm…

Q: Give equations and explanations for Brown Anson analysis

A: Electroanalytical methods are class of techniques in analytical chemistry which study an analyte by…

Q: Nhat are the advantages of Methanol to Olefins MTO) technology compare to Steam Cracking.

A: Global demand for the olefins like ethylene and propylene is increasing at a rate of more than 5%…

Q: Copper matte is charged into a silica lined converter in extraction of copper. What is the role of…

A: Copper matte is the mixture of Cu2S and little amount of FeS.

Q: Give introduction to olefins ?

A: Olefin, also called alkene.

Q: Which of the following metals is used in solvent stills?

A: To find: The metal which is used in solvent stills

Q: the reduction process of hematite in the blast fumace starting from coke to

A: In this question we have to explain the reduction process of hematite in the blast furnace starting…

Q: Generally, anion exchange resins are negatively charged. Is it true or fasle?

A: This statement is false.

Q: What is cross linking, give how does it effect recycling ability and strength of a polymer,

A: This is a question from polymer chemistry.

Q: True or False Leaching of PbCl₂ is ensured when known solution of Group I cations stays hot.

A: Please see explanation.

Q: write a report about the relationship between polarity, dielectric constant and solvent extraction?

A: The solvent extraction is related to a solvent dielectric constant which is related to polarity. The…

Q: Give equations and explanation for Brown Anson analysis

A: In electrochemistry, there are two major categories of cell reactions. In the first category, the…

Q: What volume of 0.10 M H2C2O4 would be required to remove the rust stain weighing 1.0 grams?

A: Molarity can be defined as the number of moles of solute dissolved per liter of the solution It can…

Q: Describe how you would prepare 1litre of 150ppm Cu2+ using Cu metal

A: ppm is defined as the parts of solute or mass of solute present per million parts of solution Hence…

Q: What types of metals are usually purified by the method of zone refining? Give an example.

A: Metals are lustrous elements. They are good conductors of heat and electricity. They are malleable (…

Q: Describe how you will prepare 1L of 150.0ppm of Cu2+ using Cu metal

A: The 1.0 ppm is equal to 1 mg of Cu2+ ion in 1.0 L of the solution thus,

Q: The waste liquid solution that forms from the flux and gangue is usually a silicate. True or false?…

A: Given statement: The waste liquid solution that forms from the flux and gangue is usually silicate.…

Q: Propose a suitable process flow sheet in accordance with the required equipment (such as smelter,…

A: Solution: We know nylon 6 is prepared from caprolactam by ring opening reaction. Therefore, it is…

Q: What is the VSEPR method?

A: VSEPR IS a simple theory based on the repulsive interactions of the electron pairs in the valence…

Q: Anode deposition technique is used to prepare thin films of polymers. * true OError

A: Yes ,thin film of polymer is deposited on anode in this method.

Q: What is the best extraction technique for the recovery of ferulic acid from wheat and rye bran?

A: Ferulic acid is chemically hypo cinnamic acid. It is usually found in plant cell wall as phenolic…

Q: explain the purpose of the reflux condenser venting to a solution of sodium bicarbonate

A: Reflux condenser- this is an equipment used in the chemistry laboratory. The assemble of a heating…

Q: what are the characteristics of non-stick utensils and safety ness of PFTE materials

A: Characteristic properties of teflon: Tetra fluoro ethane is called as teflon.

Q: 17. Calculate the density x of palladium (show the calculations!). The atomic mass of Pd is 106.42,…

A: 17.

Q: Describe the composition of Glass electrode used for the pH measurements?

A:

Q: Determine the matrix used to prepare solution of ferricyanide in cyclic voltammetry. Choices: AgCl,…

A: Cyclic voltammetry is the electrochemical technique which is used to measure the current response of…

Q: Dis cussion:- Ql:- write the chemical structung of EDTA? Qz:- why you measure of the water hardnes,…

A:

Q: What is the safety precaution associated with handling the crucible, clay triangle, and tripod.? At…

A: A clay triangle is a piece of laboratory apparatus that is used to support a crucible being heated…

Q: a. The structure of a standard C4 group chemically bonded to a silica surface through a silyl ether…

A: SOLUTION: Step 1: The most commonly used column in silica based reverse stationary phase is…

Q: hot coffe stored in well insulated thermos flask is example of?

A: Systems can be classified into three types. They are  Open system -  A system which can exchange…

Q: Give five Synthetic Applications of Stobbe Condensation in detail?

A: The chemical reaction of an aldehyde or ketone with an ester of the succinic acid to produce…

Q: How to prepare the following given a free choice of normal laboratory reagents or any equipment:…

A: Laboratory reagent: These reagents are man-made chemical species which is prepared in laboratory…

Q: What is the role of a depressant in Froth Floatation process for the concentration of a sulphide…

A: